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【多选题】
对滚动轴承叙述正确的是()A.
滚动轴承的种类很多，但其结构大致相同，一般由外圈、内圈、滚动体和保持架组成。
B.
滚动轴承具有摩擦系数小、结构紧凑等优点，是被广泛使用在机器或部件中的标准件。
C.
滚动轴承按所能承受力的方向可分为三种：即滚子轴承、球轴承和滚针轴承。
D.
滚动轴承外圈（下圈）装在轴承座，一般固定不动。内圈（上圈）装在轴上，随轴一起转动。
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举一反三
【单选题】------May I borrow these four books? ------_____. You may keep all of them for two weeks.
A.
Of course not.
B.
By all means.
C.
Sorry, I am afraid not
D.
Out of the question.
【单选题】下列关于资本结构理论的说法正确的是（ ）。
A.
净营业收益理论认为企业不存在最佳资本结构
B.
MM理论认为企业不存在最佳资本结构
C.
MM理论认为企业负债达到100%时的资本结构最优
D.
净收益理论认为企业不存在最佳资本结构
【单选题】You may keep the book ( ) you like.
A.
as well as
B.
as long as
C.
as soon as
D.
as far as
【单选题】If you keep on learning like this, you will soon become ______ at many complex skills.
A.
persistent
B.
proficient
C.
consistent
D.
sufficient
【单选题】You may as well go outing all by yourself; _______I may keep you company.
A.
differently
B.
alternatively
C.
accordingly
D.
automatically
【简答题】While you may be doing everything right, ignoring just one or two steps in the process may keep you from getting a job, especially in this fierce market. Here is a checklist that covers some of the ma...
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